Dual-fan heat dissipator



FIG. 1 is a perspective view of a dual-fan heat dissipator, showing my new design;

FIG. 2 is a front elevational view thereof and the rear elevational view thereof is the same as FIG. 2;

FIG. 3 is a left elevational view thereof and the right elevational view thereof is the same as FIG. 3;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a dual-fan heat dissipator, as shown. 